How to check if battery in my mac is genuine?

Battery Information:

Model Information:

Serial Number: D86237311NZDKRNAA

Manufacturer: SMP

Device Name: bq20z451

Pack Lot Code: 0

PCB Lot Code: 0

Firmware Version: 406

Hardware Revision: 000a

Cell Revision: 162

Charge Information:

Charge Remaining (mAh): 3195

Fully Charged: No

Charging: Yes

Full Charge Capacity (mAh): 6069

Health Information:

Cycle Count: 6

Condition: Normal

Battery Installed: Yes

Amperage (mA): 3651

Voltage (mV): 8089